Disclosure of Invention
Based on this, it is necessary to provide a moisture collecting handle for the problem that the NO value in the moisture collected by the conventional moisture collecting handle is inaccurate.
The technical scheme is as follows:
in one aspect, there is provided a moisture collecting apparatus comprising:
the first installation body is provided with an airflow channel;
the second installation body is provided with an expiration channel, is installed in the airflow channel and is used for being matched with the inner wall of the airflow channel to form an inspiration channel;
the first one-way valve is arranged in the expiration channel and is used for controlling the gas in the expiration channel to flow along the expiration direction;
the second one-way valve is arranged in the air suction channel and is used for controlling the air in the air suction channel to flow along the air suction direction; and
And the filter assembly is arranged in the air suction channel and is used for filtering nitric oxide in the air.
When the moisture collecting device is used, the air collecting bag is correspondingly communicated with one end of the moisture collecting device, the air collecting cavity of the air collecting bag is communicated with the expiration channel, the anesthetic mask is correspondingly communicated with the other end of the moisture collecting device, the anesthetic mask is communicated with the expiration channel and the inspiration channel, the patient can get close to the anesthetic mask, the moisture collecting device is held by the hand and breathed stably until the air collecting bag is filled with at least 3/4 of the container, and moisture collection of the patient is achieved. When the patient exhales, the gas is sent out by the oral cavity of the patient and enters the moisture collecting device through the anesthesia mask, so that the gas exhaled by the patient can be blown to open the first one-way valve and can not be blown to open the second one-way valve, and then the gas exhaled by the patient can enter the gas collecting cavity through the exhaling channel, the gas exhaled by the patient can be ensured to fully enter the gas collecting bag to be collected, and the reliability of the moisture collecting device is improved. When the patient inhales, air enters the moisture collecting device from the air inlet end of the air suction channel, the air can flow through the filtering component to filter nitric oxide in the air, and the air can blow the second one-way valve and can not blow the first one-way valve, so that the air filtered by the filtering component in the air suction channel can be inhaled by the patient through the anaesthetic mask, nitric oxide in the air can not enter the air collecting cavity to influence the content of nitric oxide in the air collecting bag, and the accuracy of the moisture collecting device is improved. In addition, for traditional moisture collection handle, exhale among the moisture collection device of this application and all adopt the form of direct connection with the inhalation channel, guarantee that the resistance that patient exhaled gas and inhaled gas received in moisture collection device is minimum, and then guarantee that the patient can steadily breathe when collecting the moisture operation, improved the experience of patient and felt and the accuracy of nitric oxide content in the moisture of collecting.
The technical scheme is further described as follows:
in one embodiment, the first mounting body includes a housing provided with the airflow channel, a mounting portion is provided at one end of the housing, a first through hole and a second through hole are provided at intervals on the mounting portion, and the second mounting body is correspondingly mounted on the mounting portion, so that the first through hole is communicated with the exhalation channel, and the second through hole is communicated with the inhalation channel housing.
In one embodiment, the moisture collecting device further comprises a connector connected with the mounting part and used for communicating the air collecting cavity of the air collecting bag with the first through hole; the first installation body further comprises a first shell, and the first shell is correspondingly connected with the installation part to be matched and clamped with the connector.
In one embodiment, the first mounting body further includes a second housing, the second housing is mounted at an air outlet end of the air suction channel, at least two second check valves are provided, and each second check valve is mounted in the second housing.
In one embodiment, at least two annular reinforcing ribs are arranged on one side, far away from the expiration channel, of the second shell, and the projection of each first one-way valve along the axial direction of the second shell is correspondingly positioned in each annular reinforcing rib.
In one embodiment, the first mounting body further comprises a third housing connected to the second housing, the third housing for mounting an anesthetic mask.
In one embodiment, the second housing is ultrasonically welded to the third housing; the moisture collecting device further comprises a protective cover, and the protective cover is arranged on the third shell; and the outer wall of the third shell is provided with a sealing element, and the sealing element is used for sealing and connecting the third shell with the protective cover.
In one embodiment, the second installation body comprises a first valve seat, a second valve seat and a third valve seat which are sequentially connected, the first valve seat extends along the axial direction of the airflow channel, the first valve seat, the second valve seat and the third valve seat are matched to form the expiration channel, and the first one-way valve is arranged between the second valve seat and the third valve seat.
In one embodiment, a first check ring and a second check ring are arranged on the outer wall of the first valve seat at intervals, and the first check ring and the second check ring are respectively in limit fit with two sides of the filter assembly.
In one embodiment, the filter assembly comprises first filter cotton, second filter cotton and potassium permanganate particles, wherein the first filter cotton and the second filter cotton are sleeved on the outer wall of the second installation body at intervals and are connected with the inner wall of the airflow channel, and the potassium permanganate particles are filled between the first filter cotton and the second filter cotton.
Detailed Description
In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.
As shown in fig. 1, 2 and 3, in one embodiment, a moisture collection device 10 is provided that includes a first mounting body 100, a second mounting body 200, a first check valve 300, a second check valve 400 and a filter assembly 500. Wherein the first installation body 100 is provided with an air flow channel 110; the second installation body 200 is provided with an exhalation channel 210, and the second installation body 200 is installed in the airflow channel 110 and is used for being matched with the inner wall of the airflow channel 110 to form an inhalation channel; the first check valve 300 is installed in the exhalation passageways 210 and is used to control the flow of gas in the exhalation passageways 210 in the direction of exhalation (as shown in direction B in fig. 1); the second check valve 400 is installed in the suction passage and is used to control the flow of gas in the suction passage in the suction direction (as shown in the direction C of fig. 1); the filter assembly 500 is installed in the inhalation passage and serves to filter nitric oxide in the gas.
When the moisture collecting device 10 in the above embodiment is used, the air collecting bag 700 is correspondingly communicated with one end of the moisture collecting device 10, so that the air collecting cavity of the air collecting bag 700 is communicated with the exhalation channel 210, the anesthetic mask is correspondingly communicated with the other end of the moisture collecting device 10, so that the anesthetic mask is communicated with the exhalation channel 210 and the inhalation channel, further, a patient can press the face close to the anesthetic mask, hold the moisture collecting device 10 by hand and breathe stably until the air collecting bag 700 is filled with at least 3/4 of the container, and moisture collection of the patient is realized. When the patient exhales, the gas is emitted from the oral cavity of the patient and enters the moisture collecting device 10 through the anesthetic mask, so that the gas exhaled by the patient can blow the first one-way valve 300 and can not blow the second one-way valve 400, and further the gas exhaled by the patient can pass through the exhaling channel 210 and enter the air collecting cavity, so that the gas exhaled by the patient can be ensured to completely enter the air collecting bag 700 for collection, and the reliability of the moisture collecting device 10 is improved. When a patient inhales, air enters the moisture collecting device 10 from the air inlet end of the inhalation channel, the air can flow through the filter assembly 500 to filter nitric oxide in the air, and the air can blow the second one-way valve 400 and can not blow the first one-way valve 300, so that the air filtered by the filter assembly 500 in the exhalation channel 210 can be inhaled by the patient through the anaesthetic mask, nitric oxide in the air can not enter the air collecting cavity to influence the nitric oxide content in the air collecting bag 700, and the accuracy of the moisture collecting device 10 is improved. In addition, for traditional moisture collection handle, exhale passageway 210 and the form of breathing in all adopting the straight-through form among the moisture collection device 10 of this application, guarantee that the resistance that patient exhaled gas and inhaled gas received in moisture collection device 10 is minimum, and then guarantee that the patient can steadily breathe when collecting the moisture operation, improved the experience of patient and felt and the accuracy of nitric oxide content in the moisture of collecting.
In this embodiment, the first check valve 300 and the second check valve 400 are made of self-developed ultra-thin check valves. Thus, the first check valve 300 and the second check valve 400 are ensured to be stably sealed, and simultaneously the opening resistance is extremely low, so that the patient is ensured to breathe stably when the operation of collecting the moisture is performed, and the experience of the patient and the accuracy of the nitric oxide content in the collected moisture are further improved.
The first mounting body 100 may be a mounting shell, a mounting cylinder, or other mounting structure. The second mounting body 200 may be a mounting block, a mounting cylinder, or other mounting structure.
As shown in fig. 2 and 3, further, the first installation body 100 includes a housing 120 provided with an airflow channel 110, an installation portion 121 is provided at one end of the housing 120, a first through hole and a second through hole are provided at intervals on the installation portion 121, and the second installation body 200 is correspondingly installed on the installation portion 121, so that the first through hole communicates with the exhalation channel 210, and the second through hole communicates with the inhalation channel housing. In this way, the second mounting body 200 may be mounted in the first mounting body 100 through the mounting part 121, improving convenience in assembling the moisture collecting device 10. Specifically, in the present embodiment, the mounting portion 121 is provided as a mounting bracket integrally formed with the housing 120.
As shown in fig. 2 and 3, the moisture collecting apparatus 10 may further include a connector 600, and the connector 600 is connected to the mounting portion 121 and serves to communicate the air collecting chamber of the air collecting bag 700 with the first through hole. Specifically, in this embodiment, the gas collecting bag 700 includes a gas collecting body and a sealing valve core, the gas collecting body is provided with a gas collecting cavity and an opening communicated with the gas collecting cavity, and the sealing valve core is correspondingly arranged in the opening to control the gas collecting cavity to be communicated with or isolated from the external environment. Thus, when the moisture collecting device 10 needs to be connected with the air collecting pouch 700, the connector 600 is inserted into the opening, so that the connector 600 can jack the sealing valve core, thereby enabling the exhalation passageways 210 to communicate with the air collecting pouch correspondingly. When the moisture collecting device 10 needs to be disconnected from the air collecting bag 700, the connector 600 is pulled out from the opening, the sealing valve core is automatically closed, the moisture collected in the air collecting cavity is ensured not to leak, and the convenience of collecting the moisture collecting device 10 is improved. The connector 600 may be connected to the mounting portion 121 by a clamping, plugging, screwing or other connection method.
As shown in fig. 2, optionally, the first mounting body 100 further includes a first housing 130, and the first housing 130 is correspondingly connected to the mounting portion 121 to cooperate with the clamp connector 600. In this way, the first housing 130 and the mounting portion 121 can cooperate to limit the connector 600, so as to ensure that the position of the connector 600 relative to the second mounting body 200 remains fixed, thereby improving the reliability of the moisture collecting device 10.
As shown in fig. 2 and 3, in one embodiment, the first installation body 100 further includes a second casing 140, the second casing 140 is installed at the air outlet end of the air suction channel, at least two second check valves 400 are installed on the second casing 140, and each second check valve 400 is installed on the second casing 140. In this way, it is ensured that the gas exhaled by the patient does not leak from the inhalation passage, and that the air in the inhalation passage can pass through the second one-way valve 400 and be inhaled by the patient, improving the reliability of the moisture collecting device 10.
The number of the second check valves 400 can be flexibly adjusted according to the actual use requirement. In particular, in the present embodiment, the number of the second check valves 400 is four, and the four second check valves 400 are disposed at intervals around the axis of the second housing 140.
As shown in fig. 3 and 4, further, at least two annular ribs 141 are disposed on a side of the second housing 140 away from the exhalation passageways 210, and projections of the first check valves 300 along the axial direction of the second housing 140 are located in the annular ribs 141 correspondingly. Thus, the annular reinforcing rib 141 can slow down the flow rate of air, eliminate squeaking sounds generated by friction between the second check valve 400 and high-speed air when the second check valve 400 is opened, reduce noise of the moisture collecting device 10, and improve user experience of a patient.
As shown in fig. 2 and 3, the first mounting body 100 may further include a third housing 150, the third housing 150 is connected to the second housing 140, and the third housing 150 is used for mounting an anesthetic mask. In this way, the anesthetic mask can be mounted on the second housing 140 through the third housing 150, so that the anesthetic mask can be rapidly and reliably correspondingly communicated with the exhalation channel 210 and the inhalation channel, and the convenience in assembling the moisture collecting device 10 is improved.
Optionally, the second housing 140 is ultrasonically welded to the third housing 150. Thus, after the second check valve 400 is correspondingly mounted on the second housing 140, the second housing 140 and the third housing 150 are ultrasonically welded, so that the gas exhaled by the patient is ensured not to leak from the connection between the second housing 140 and the third housing 150, and the reliability of the moisture collecting device 10 is improved.
As shown in fig. 2 and 3, the moisture collecting device 10 further includes a protective cover 800, and the protective cover 800 is disposed on the third housing 150. In this way, the protection cover 800 can protect the third housing 150, prevent the third housing 150 from being damaged due to collision or friction with an external object, and improve the service life of the moisture collecting apparatus 10.
As shown in fig. 2 and 3, the outer wall of the third housing 150 is provided with a sealing member 160, and the sealing member 160 is used to seal and connect the third housing 150 with the protection cover 800. In this way, the sealing member 160 can block impurities such as dust or sewage from passing through the interval between the third housing 150 and the protective cover 800 and moving onto the third housing 150, so as to ensure that the third housing 150 can be stably and reliably connected with the anaesthetic mask in a sealing manner, thereby improving the reliability of the moisture collecting device 10. The seal 160 may be a sealing ring, a sealing sleeve, or other sealing structure.
As shown in fig. 2 and 3, in one embodiment, the second mounting body 200 includes a first valve seat 220, a second valve seat 230 and a third valve seat 240 connected in sequence, the first valve seat 220 extends along the axial direction of the airflow channel 110, the first valve seat 220, the second valve seat 230 and the third valve seat 240 cooperate to form the exhalation channel 210, and the first check valve 300 is disposed between the second valve seat 230 and the third valve seat 240. In this way, the convenience of assembling the moisture collecting apparatus 10 is improved. In particular, in the present embodiment, after the first check valve 300 is correspondingly installed between the second valve seat 230 and the third valve seat 240, the first valve seat 220, the second valve seat 230 and the third valve seat 240 are all welded by ultrasonic welding. Ensuring that gas exhaled by the patient does not leak between the first valve seat 220 and the second valve seat 230 or between the second valve seat 230 and the third valve seat 240 improves the reliability and accuracy of the moisture collection device 10.
As shown in fig. 2 and 3, further, a first retaining ring 221 and a second retaining ring 222 are disposed on the outer wall of the first valve seat 220 at intervals, and the first retaining ring 221 and the second retaining ring 222 are respectively in limit fit with two sides of the filter assembly 500. In this way, the first retaining ring 221 and the second retaining ring 222 can cooperate to limit the filter assembly 500 and the first valve seat 220, so that the positions among the first installation body 100, the second installation body 200 and the filter assembly 500 are ensured to be kept fixed, and the reliability of the moisture collecting device 10 is improved.
As shown in fig. 2 and 3, alternatively, the outer diameter of the first valve seat 220 tends to increase in the exhalation direction. The second installation book also comprises a first sleeve and a second sleeve, the first check ring 221 is arranged on the outer wall of the first sleeve, the second check ring 222 is arranged on the outer wall of the second sleeve, the first sleeve and the second sleeve are correspondingly sleeved on the outer side of the first valve seat 220, and the first sleeve is located on one side, far away from the second valve seat 230, of the second sleeve. In this way, the convenience of assembling the moisture collecting apparatus 10 is improved.
Optionally, a first sealing ring is provided on the outer side wall of the first retaining ring 221, and the first sealing ring is used for sealing and connecting the first retaining ring 221 with the inner wall of the airflow channel 110. The outer side wall of the second retainer ring 222 is provided with a second sealing ring, and the second sealing ring is used for sealing and connecting the second retainer ring 222 with the inner wall of the air flow channel 110. In this way, the first check ring 221 and the second check ring 222 can be ensured to stably and reliably limit the positions of the first valve seat 220 and the filter assembly 500 relative to the first mounting body 100, and the reliability of the moisture collecting device 10 is improved. Specifically, in the present embodiment, the first retaining ring 221 and the second retaining ring 222 are each provided with a vent hole along the exhalation direction.
Optionally, an end of the first valve seat 220 away from the second valve seat 230 is hermetically connected to the second housing 140 by an O-ring; the third valve seat 240 is connected with the mounting part 121 in a sealing way through an O-shaped silica gel ring; the connector 600 is hermetically connected to the mounting portion 121 by an O-ring. In this way, the gas exhaled by the patient is ensured to enter the gas collection bag 700 stably and reliably, and the reliability of the moisture collection device 10 is improved.
The filter assembly 500 may be a nitric oxide filter, a carbon monoxide filter cartridge, or other filtering structure for filtering nitric oxide.
As shown in fig. 2 and 3, in one embodiment, the filter assembly 500 includes a first filter cotton 510, a second filter cotton 520, and potassium permanganate particles 530, the first filter cotton 510 and the second filter cotton 520 are spaced apart from each other and sleeved on the outer wall of the second installation body 200, and are connected to the inner wall of the air flow channel 110, and the potassium permanganate particles 530 are filled between the first filter cotton 510 and the second filter cotton 520. So, further reduce the resistance of air in inhaling through, guarantee that patient inhaled air receives the minimum in moisture collection device 10 resistance, and then guarantee that the patient can steadily breathe when collecting the moisture operation, improved the experience of patient and the accuracy of nitric oxide content in the moisture of collecting. In this embodiment, the potassium permanganate particles 530 are large particles of potassium permanganate, and the first filter cotton 510 and the second filter cotton 520 are all one piece.
In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms refer to the orientation or positional relationship based on the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.
In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.
It will be further understood that when interpreting the connection or positional relationship of elements, although not explicitly described, the connection and positional relationship are to be interpreted as including the range of errors that should be within an acceptable range of deviations from the particular values as determined by those skilled in the art. For example, "about," "approximately," or "substantially" may mean within one or more standard deviations, and is not limited herein.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples represent only a few embodiments of the present application, which are described in more detail and are not thereby to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.